Seiko Cal. 7173 - 538

The Seiko 7173-538 represents an important milestone in Seiko's 1979 lineup. Powered by the 7173 caliber with 19j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-48ed02a2e215]

Also known as: Tuna, Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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